second half of 2018.. well android 7 came when android 8 was about to have the preview beta release so by the second half of 2019 they will probably already have released android 9.0 .. {hum called ... ok lets call it "Pop Tarts” until they name it ... why it always have to take this much time well it s still faster than samsung as i am still waiting after they released it without ever release an update of any kind in 2 years since it released ..... seriously It is 2017 .. it would.be time to update to stock android without the bloatware and suggest thoses unwanted features so people install what they want that would be mucu faster to update and rend good phones a bit less obsolete preventing clientw to get an android 8 phone with a competitor apple does it why.can t android phones too ... and i dont know but as for me my zenfone 3 has been my 3 rd phone this year after my iphone screen failled and since they replaces the phone 27 times for pretty much anything on an iphone 6+ with no cosmetic damage at all i decided that my time at apple was over so i got a windows phone which did not work well with smart home stuff so i got a samsung galaxy and a gear watch but i got.pissed learning the watch didnt work with the phone plus the fact i received no updates and 3 app downloaded filled the memory with littl support to install apps on micro sd .... i was furious and bought this phone having better specs than an iphone, looks even better too but most impotant 64 gb for apps and 6 go of ram top that with a 2oo micro sd i was in ”Wonderland” and I couldn't love this phone more except maybe for the Asus flip case that doesn't last long but anyway still waiting for another here to have a OS update seems a bit too long to me which overtime might be a bummer the worst part of it is that I love my phone so much that I bought an Asus computer an Asus projector and also I bought the Asus watch to go with that having to wait and wait and wait and wait for updates that should be there as soon as they release is for me I'm not really happy as a customer and no at some point I might decide to change to buy an Android 8 phone before that which will result from me going to a competitor probably Google this time as I know but updates will roll up when they release so you need to think about this because keeping customer is a good thing for a company because when somebody likes the product B the People by all the product from the same company and that builds Trust in the clients mind which bound them to the company four years to come so that's a win-win situation think of that